Nova Cassiopeia: 2021 march 25 UT 3.00 Halpha RGB 15/6/6/6 min 14"/4.2 QHY 600 Michael Jäger large https://t.co/V7X4w8IB7y pic.twitter.com/NB3YyLLTJg

— Michael Jäger (@Komet123Jager) March 25, 2021